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hos: Initialize eMMC only once. Saves half second.

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This commit is contained in:
CTCaer 2020-06-14 02:13:18 +03:00
parent d49a40b0da
commit 71df1e2da1
1 changed files with 40 additions and 59 deletions
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99
bootloader/hos/hos.c
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@ -502,69 +502,36 @@ int hos_keygen(u8 *keyblob, u32 kb, tsec_ctxt_t *tsec_ctxt, launch_ctxt_t *hos_c
static int _read_emmc_pkg1(launch_ctxt_t *ctxt)
{
sdmmc_storage_t storage;
sdmmc_t sdmmc;
int res = emummc_storage_init_mmc(&storage, &sdmmc);
if (res)
{
if (res == 2)
_hos_crit_error("Failed to init eMMC");
else
_hos_crit_error("Failed to init emuMMC");
return 0;
}
// Read package1.
ctxt->pkg1 = (void *)malloc(0x40000);
emummc_storage_set_mmc_partition(&storage, EMMC_BOOT0);
emummc_storage_read(&storage, 0x100000 / NX_EMMC_BLOCKSIZE, 0x40000 / NX_EMMC_BLOCKSIZE, ctxt->pkg1);
emummc_storage_set_mmc_partition(&emmc_storage, EMMC_BOOT0);
emummc_storage_read(&emmc_storage, 0x100000 / NX_EMMC_BLOCKSIZE, 0x40000 / NX_EMMC_BLOCKSIZE, ctxt->pkg1);
ctxt->pkg1_id = pkg1_identify(ctxt->pkg1);
if (!ctxt->pkg1_id)
{
_hos_crit_error("Unknown pkg1 version.");
EHPRINTFARGS("HOS version not supported!%s",
(emu_cfg.enabled && !h_cfg.emummc_force_disable) ? "\nOr emuMMC corrupt!" : "");
goto out;
return 0;
}
gfx_printf("Identified pkg1 and Keyblob %d\n\n", ctxt->pkg1_id->kb);
// Read the correct keyblob.
ctxt->keyblob = (u8 *)calloc(NX_EMMC_BLOCKSIZE, 1);
emummc_storage_read(&storage, 0x180000 / NX_EMMC_BLOCKSIZE + ctxt->pkg1_id->kb, 1, ctxt->keyblob);
emummc_storage_read(&emmc_storage, 0x180000 / NX_EMMC_BLOCKSIZE + ctxt->pkg1_id->kb, 1, ctxt->keyblob);
res = 1;
out:
sdmmc_storage_end(&storage);
return res;
return 1;
}
static u8 *_read_emmc_pkg2(launch_ctxt_t *ctxt)
{
u8 *bctBuf = NULL;
sdmmc_storage_t storage;
sdmmc_t sdmmc;
int res = emummc_storage_init_mmc(&storage, &sdmmc);
if (res)
{
if (res == 2)
_hos_crit_error("Failed to init eMMC");
else
_hos_crit_error("Failed to init emuMMC");
return NULL;
}
emummc_storage_set_mmc_partition(&storage, EMMC_GPP);
emummc_storage_set_mmc_partition(&emmc_storage, EMMC_GPP);
// Parse eMMC GPT.
LIST_INIT(gpt);
nx_emmc_gpt_parse(&gpt, &storage);
nx_emmc_gpt_parse(&gpt, &emmc_storage);
DPRINTF("Parsed GPT\n");
// Find package2 partition.
emmc_part_t *pkg2_part = nx_emmc_part_find(&gpt, "BCPKG2-1-Normal-Main");
@ -574,25 +541,24 @@ DPRINTF("Parsed GPT\n");
// Read in package2 header and get package2 real size.
static const u32 BCT_SIZE = 0x4000;
bctBuf = (u8 *)malloc(BCT_SIZE);
nx_emmc_part_read(&storage, pkg2_part, BCT_SIZE / NX_EMMC_BLOCKSIZE, 1, bctBuf);
nx_emmc_part_read(&emmc_storage, pkg2_part, BCT_SIZE / NX_EMMC_BLOCKSIZE, 1, bctBuf);
u32 *hdr = (u32 *)(bctBuf + 0x100);
u32 pkg2_size = hdr[0] ^ hdr[2] ^ hdr[3];
DPRINTF("pkg2 size on emmc is %08X\n", pkg2_size);
// Read in Boot Config.
memset(bctBuf, 0, BCT_SIZE);
nx_emmc_part_read(&storage, pkg2_part, 0, BCT_SIZE / NX_EMMC_BLOCKSIZE, bctBuf);
nx_emmc_part_read(&emmc_storage, pkg2_part, 0, BCT_SIZE / NX_EMMC_BLOCKSIZE, bctBuf);
// Read in package2.
u32 pkg2_size_aligned = ALIGN(pkg2_size, NX_EMMC_BLOCKSIZE);
DPRINTF("pkg2 size aligned is %08X\n", pkg2_size_aligned);
ctxt->pkg2 = malloc(pkg2_size_aligned);
ctxt->pkg2_size = pkg2_size;
nx_emmc_part_read(&storage, pkg2_part, BCT_SIZE / NX_EMMC_BLOCKSIZE,
nx_emmc_part_read(&emmc_storage, pkg2_part, BCT_SIZE / NX_EMMC_BLOCKSIZE,
pkg2_size_aligned / NX_EMMC_BLOCKSIZE, ctxt->pkg2);
out:
nx_emmc_gpt_free(&gpt);
sdmmc_storage_end(&storage);
return bctBuf;
}
@ -659,15 +625,27 @@ int hos_launch(ini_sec_t *cfg)
gfx_puts("Initializing...\n\n");
// Initialize eMMC/emuMMC.
int res = emummc_storage_init_mmc(&emmc_storage, &emmc_sdmmc);
if (res)
{
if (res == 2)
_hos_crit_error("Failed to init eMMC");
else
_hos_crit_error("Failed to init emuMMC");
goto error;
}
// Read package1 and the correct keyblob.
if (!_read_emmc_pkg1(&ctxt))
return 0;
goto error;
// Try to parse config if present.
if (ctxt.cfg && !parse_boot_config(&ctxt))
{
_hos_crit_error("Wrong ini cfg or missing files!");
return 0;
goto error;
}
// Enable emummc patching.
@ -676,7 +654,7 @@ int hos_launch(ini_sec_t *cfg)
if (ctxt.stock)
{
_hos_crit_error("Stock emuMMC is not supported yet!");
return 0;
goto error;
}
ctxt.atmosphere = true; // Set atmosphere patching in case of Stock emuMMC and no fss0.
@ -685,7 +663,7 @@ int hos_launch(ini_sec_t *cfg)
else if (!emu_cfg.enabled && ctxt.emummc_forced)
{
_hos_crit_error("emuMMC is forced but not enabled!");
return 0;
goto error;
}
// Check if fuses lower than 4.0.0 or 9.0.0 and if yes apply NO Gamecard patch.
@ -714,11 +692,11 @@ int hos_launch(ini_sec_t *cfg)
if (kb >= KB_FIRMWARE_VERSION_700 && !h_cfg.sept_run)
{
_hos_crit_error("Failed to run sept");
return 0;
goto error;
}
if (!hos_keygen(ctxt.keyblob, kb, &tsec_ctxt, &ctxt))
return 0;
goto error;
gfx_puts("Generated keys\n");
if (kb <= KB_FIRMWARE_VERSION_600)
h_cfg.se_keygen_done = 1;
@ -738,7 +716,7 @@ int hos_launch(ini_sec_t *cfg)
else
{
_hos_crit_error("No mandatory secmon or warmboot provided!");
return 0;
goto error;
}
}
@ -750,7 +728,7 @@ int hos_launch(ini_sec_t *cfg)
if (kb >= KB_FIRMWARE_VERSION_700)
{
_hos_crit_error("No warmboot provided!");
return 0;
goto error;
}
// Else we patch it to allow downgrading.
patch_t *warmboot_patchset = ctxt.pkg1_id->warmboot_patchset;
@ -781,7 +759,7 @@ int hos_launch(ini_sec_t *cfg)
if (!bootConfigBuf)
{
_hos_crit_error("Pkg2 read failed!");
return 0;
goto error;
}
gfx_puts("Read pkg2\n");
@ -798,7 +776,7 @@ int hos_launch(ini_sec_t *cfg)
// Clear EKS slot, in case something went wrong with sept keygen.
hos_eks_clear(kb);
}
return 0;
goto error;
}
else if (kb >= KB_FIRMWARE_VERSION_700)
hos_eks_save(kb); // Save EKS slot if it doesn't exist.
@ -807,7 +785,7 @@ int hos_launch(ini_sec_t *cfg)
if (!pkg2_parse_kips(&kip1_info, pkg2_hdr, &ctxt.new_pkg2))
{
_hos_crit_error("INI1 parsing failed!");
return 0;
goto error;
}
gfx_puts("Parsed ini1\n");
@ -833,7 +811,7 @@ int hos_launch(ini_sec_t *cfg)
{
_hos_crit_error("Failed to identify kernel!");
return 0;
goto error;
}
// In case a kernel patch option is set; allows to disable SVC verification or/and enable debug mode.
@ -872,7 +850,7 @@ int hos_launch(ini_sec_t *cfg)
_hos_crit_error("SD Card is exFAT and the installed\nFS only supports FAT32!");
_free_launch_components(&ctxt);
return 0;
goto error;
}
// Patch kip1s in memory if needed.
@ -882,7 +860,7 @@ int hos_launch(ini_sec_t *cfg)
EHPRINTFARGS("Failed to apply '%s'!", unappliedPatch);
_free_launch_components(&ctxt);
return 0; // MUST stop here, because if user requests 'nogc' but it's not applied, their GC controller gets updated!
goto error; // MUST stop here, because if user requests 'nogc' but it's not applied, their GC controller gets updated!
}
// Rebuild and encrypt package2.
@ -947,8 +925,9 @@ int hos_launch(ini_sec_t *cfg)
if (ctxt.atmosphere && ctxt.secmon)
config_exosphere(&ctxt);
// Unmount SD card.
// Unmount SD card and eMMC.
sd_end();
sdmmc_storage_end(&emmc_storage);
// Finalize MC carveout.
if (kb <= KB_FIRMWARE_VERSION_301)
@ -1003,5 +982,7 @@ int hos_launch(ini_sec_t *cfg)
while (true)
bpmp_halt();
error:
sdmmc_storage_end(&emmc_storage);
return 0;
}